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PCA9673BS,118 PDF预览

PCA9673BS,118

更新时间： 2024-11-14 14:44:07
品牌 Logo 应用领域
恩智浦 - NXP PC外围集成电路
页数 文件大小 规格书
33页 253K
描述
PCA9673 - Remote 16-bit I/O expander for Fm+ I2C-bus with interrupt and reset QFN 24-Pin

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PCA9673BS,118 技术参数

是否Rohs认证：符合生命周期：Active
零件包装代码：QFN包装说明：4 X 4 MM, 0.85 MM HEIGHT, MO-220, SOT616-1, HVQFN-24
针数：24Reach Compliance Code：compliant
HTS代码：8542.39.00.01风险等级：5.35
Is Samacsys：NJESD-30 代码：S-PQCC-N24
JESD-609代码：e4长度：4 mm
湿度敏感等级：1I/O 线路数量：18
端口数量：1端子数量：24
最高工作温度：85 °C最低工作温度：-40 °C
封装主体材料：PLASTIC/EPOXY封装代码：HVQCCN
封装形状：SQUARE封装形式：CHIP CARRIER, HEAT SINK/SLUG, VERY THIN PROFILE
峰值回流温度（摄氏度）：260认证状态：Not Qualified
座面最大高度：1 mm最大供电电压：5.5 V
最小供电电压：2.3 V表面贴装：YES
技术：CMOS温度等级：INDUSTRIAL
端子面层：NICKEL PALLADIUM GOLD端子形式：NO LEAD
端子节距：0.5 mm端子位置：QUAD
处于峰值回流温度下的最长时间：40宽度：4 mm
uPs/uCs/外围集成电路类型：PARALLEL IO PORT, GENERAL PURPOSEBase Number Matches：1

PCA9673BS,118 数据手册

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PCA9673  
Remote 16-bit I/O expander for Fm+ I2C-bus with interrupt and  
reset  
Rev. 2 — 29 September 2011  
Product data sheet  
1. General description  
The PCA9673 provides general purpose remote I/O expansion for most microcontroller  
families via the two-line bidirectional bus (I2C-bus) and is a part of the Fast-mode Plus  
family.  
The PCA9673 is a drop in upgrade for the PCF8575 providing higher Fast-mode Plus  
(Fm+) I2C-bus speeds (1 MHz versus 400 kHz) so that the output can support PWM  
dimming of LEDs, higher I2C-bus drive (30 mA versus 3 mA) so that many more devices  
can be on the bus without the need for bus buffers, higher total package sink capacity  
(400 mA versus 100 mA) that supports having all 25 mA LEDs on at the same time and  
more device addresses (16 versus 8) are available to allow many more devices on the  
bus without address conflicts.  
The difference between the PCA9673 and the PCF8575 is that the A2 address pin is  
replaced by a RESET input on the PCA9673.  
The device consists of a 16-bit quasi-bidirectional port and an I2C-bus interface. The  
PCA9673 has a low current consumption and includes latched outputs with 25 mA high  
current drive capability for directly driving LEDs.  
It also possesses an interrupt line (INT) which can be connected to the interrupt logic of  
the microcontroller. By sending an interrupt signal on this line, the remote I/O can inform  
the microcontroller if there is incoming data on its ports without having to communicate via  
the I2C-bus.  
The internal Power-On Reset (POR), hardware reset pin (RESET) or software reset  
sequence initializes the I/Os as inputs.  
2. Features and benefits  
1 MHz I2C-bus interface  
Compliant with the I2C-bus Fast and Standard modes  
SDA with 30 mA sink capability for 4000 pF buses  
2.3 V to 5.5 V operation with 5.5 V tolerant I/Os  
16-bit remote I/O pins that default to inputs at power-up  
Latched outputs with 25 mA sink capability for directly driving LEDs  
Total package sink capability of 400 mA  
Active LOW open-drain interrupt output  
16 programmable slave addresses using 2 address pins  
Readable device ID (manufacturer, device type, and revision)  
 
 
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